What is the meaning of Socket_wrench?
A type of wrench (spanner) featuring multiple removable and interchangeable socket heads (sockets), each designed to fit a particular size of bolt head or other fastener, which can be attached by the drive to a ratcheting handle, breaker bar, or other driver.
Any wrench, including a nonratcheting one with an integral (nonremovable) head, that has an internal/concave feature (a socket) that engages the head of an external-wrenching fastener.
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